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<head><meta charset="utf-8"><title>weekly meeting 2020-02-27 #54818 · t-compiler · Zulip Chat Archive</title></head>
<h2>Stream: <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/index.html">t-compiler</a></h2>
<h3>Topic: <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html">weekly meeting 2020-02-27 #54818</a></h3>

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<a name="189207676"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189207676" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189207676">(Feb 27 2020 at 12:08)</a>:</h4>
<p>Hi <span class="user-group-mention" data-user-group-id="897">@T-compiler/meeting</span> ; the triage meeting will be starting in 2 hours 53 minutes</p>



<a name="189207700"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189207700" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189207700">(Feb 27 2020 at 12:08)</a>:</h4>
<p>I will be doing <a href="#narrow/stream/131828-t-compiler/topic/pre-meeting.20triage.202020-02-27.20.2354818/near/189207694" title="#narrow/stream/131828-t-compiler/topic/pre-meeting.20triage.202020-02-27.20.2354818/near/189207694">pre-triage in a parallel topic</a></p>



<a name="189207724"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189207724" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189207724">(Feb 27 2020 at 12:09)</a>:</h4>
<p>this week we have scheduled checkins from WG-Learning and WG-LLVM...</p>



<a name="189207793"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189207793" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189207793">(Feb 27 2020 at 12:10)</a>:</h4>
<p><span class="user-mention" data-user-id="116266">@Santiago Pastorino</span> do you expect to be available to provide checkin update for WG-Learning at end of the meeting?</p>



<a name="189207845"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189207845" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189207845">(Feb 27 2020 at 12:11)</a>:</h4>
<p>I don't think we'll have a formal checkin from WG-LLVM. If I have time in the 30 minutes before the meeting, I might try to make some informal notes based on some recent LLVM related backports/bug fixes. But I doubt I'll get around to it.</p>



<a name="189213788"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189213788" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189213788">(Feb 27 2020 at 13:34)</a>:</h4>
<p><span class="user-mention silent" data-user-id="116083">pnkfelix</span> <a href="#narrow/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818/near/189207793" title="#narrow/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818/near/189207793">said</a>:</p>
<blockquote>
<p><span class="user-mention silent" data-user-id="116266">Santiago Pastorino</span> do you expect to be available to provide checkin update for WG-Learning at end of the meeting?</p>
</blockquote>
<p>yes</p>



<a name="189220408"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189220408" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189220408">(Feb 27 2020 at 14:57)</a>:</h4>
<p>(I’m going to be a few minutes late)</p>



<a name="189220980"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189220980" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189220980">(Feb 27 2020 at 15:01)</a>:</h4>
<p>Hello <span class="user-group-mention" data-user-group-id="897">@T-compiler/meeting</span>! <span class="user-mention" data-user-id="116083">@pnkfelix</span> is not here yet, but let's kick off the meeting with some...</p>
<h1>Announcements</h1>



<a name="189221049"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189221049" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189221049">(Feb 27 2020 at 15:02)</a>:</h4>
<ul>
<li>Don't forget to <span aria-label="wave" class="emoji emoji-1f44b" role="img" title="wave">:wave:</span> to show you are here ;)</li>
</ul>



<a name="189221082"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189221082" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189221082">(Feb 27 2020 at 15:02)</a>:</h4>
<ul>
<li>Tomorrow is a design meeting covering "Focused and efficient triage" <a href="https://github.com/rust-lang/compiler-team/issues/247" target="_blank" title="https://github.com/rust-lang/compiler-team/issues/247">compiler-team#247</a> -- there's some ongoing pre-discussion in <a class="stream-topic" data-stream-id="185694" href="/#narrow/stream/185694-t-compiler.2Fwg-meta/topic/focused.20and.20efficient.20triage.20compiler-team.23247">#t-compiler/wg-meta &gt; focused and efficient triage <a href="https://github.com/rust-lang/compiler-team/issues/247" target="_blank" title="https://github.com/rust-lang/compiler-team/issues/247"><a href="https://github.com/rust-lang/compiler-team/issues/247" target="_blank" title="https://github.com/rust-lang/compiler-team/issues/247">compiler-team#247</a></a></a></li>
</ul>



<a name="189221132"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189221132" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> simulacrum <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189221132">(Feb 27 2020 at 15:03)</a>:</h4>
<p>We have a release: <a href="https://blog.rust-lang.org/2020/02/27/Rust-1.41.1.html" target="_blank" title="https://blog.rust-lang.org/2020/02/27/Rust-1.41.1.html">https://blog.rust-lang.org/2020/02/27/Rust-1.41.1.html</a></p>



<a name="189221238"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189221238" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> simulacrum <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189221238">(Feb 27 2020 at 15:04)</a>:</h4>
<p>(and Zulip's desktop notifications from firefox nightly seem broken, in other news)</p>



<a name="189221392"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189221392" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Wesley Wiser <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189221392">(Feb 27 2020 at 15:05)</a>:</h4>
<p>If you haven't tried <code>-Zself-profile</code> yet, we now have a complete tutorial on how to use it in the form of a <a href="https://blog.rust-lang.org/inside-rust/2020/02/25/intro-rustc-self-profile.html" target="_blank" title="https://blog.rust-lang.org/inside-rust/2020/02/25/intro-rustc-self-profile.html">blog post</a></p>



<a name="189221492"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189221492" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189221492">(Feb 27 2020 at 15:06)</a>:</h4>
<p>okay I'm here now</p>



<a name="189221540"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189221540" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189221540">(Feb 27 2020 at 15:07)</a>:</h4>
<p>here is <a href="https://hackmd.io/rj5STamIRHa_8_RdO9_LUA?both" target="_blank" title="https://hackmd.io/rj5STamIRHa_8_RdO9_LUA?both">today's meeting hackmd</a></p>



<a name="189221649"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189221649" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189221649">(Feb 27 2020 at 15:08)</a>:</h4>
<p>so lets see, lets take care of beta nominations</p>



<a name="189221663"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189221663" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189221663">(Feb 27 2020 at 15:08)</a>:</h4>
<p>beta-nom 1/4: “Cherry-pick the LLVM fix for <a href="https://github.com/rust-lang/rust/issues/69225" target="_blank" title="https://github.com/rust-lang/rust/issues/69225">#69225</a>” <a href="https://github.com/rust-lang/rust/issues/69450" target="_blank" title="https://github.com/rust-lang/rust/issues/69450">#69450</a></p>



<a name="189221718"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189221718" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189221718">(Feb 27 2020 at 15:09)</a>:</h4>
<p>yeah this seems like a no-brainer</p>



<a name="189221744"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189221744" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189221744">(Feb 27 2020 at 15:10)</a>:</h4>
<p>marking as beta-accepted</p>



<a name="189221835"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189221835" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189221835">(Feb 27 2020 at 15:10)</a>:</h4>
<p>beta-nom 2/4: "instantiate_value_path: on SelfCtor, avoid unconstrained tyvars” <a href="https://github.com/rust-lang/rust/issues/69340" target="_blank" title="https://github.com/rust-lang/rust/issues/69340">#69340</a></p>



<a name="189221905"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189221905" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189221905">(Feb 27 2020 at 15:11)</a>:</h4>
<p>this hasn't landed on nightly yet</p>



<a name="189221978"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189221978" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189221978">(Feb 27 2020 at 15:12)</a>:</h4>
<p><span class="user-mention" data-user-id="119009">@eddyb</span> I saw there was feedback and <span class="user-mention" data-user-id="126931">@centril</span> noted they would prefer to leave further work to follow-up PR. Do you see inherent problems with the PR as is, in terms of backport?</p>



<a name="189221981"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189221981" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189221981">(Feb 27 2020 at 15:12)</a>:</h4>
<p>there are also crates affected in the wild</p>



<a name="189221993"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189221993" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189221993">(Feb 27 2020 at 15:13)</a>:</h4>
<p><span class="user-mention" data-user-id="126931">@centril</span> opened PRs to fix, but it takes some time for those to make it to <a href="http://crates.io" target="_blank" title="http://crates.io">crates.io</a> etc</p>



<a name="189222000"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189222000" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> centril <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189222000">(Feb 27 2020 at 15:13)</a>:</h4>
<p>all of which have been fixed, save one, which has an open PR</p>



<a name="189222006"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189222006" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189222006">(Feb 27 2020 at 15:13)</a>:</h4>
<p>on the other hand it shows that this pattern gets used :)</p>



<a name="189222029"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189222029" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189222029">(Feb 27 2020 at 15:13)</a>:</h4>
<p>the change is narrow and on technical grounds <span aria-label="+1" class="emoji emoji-1f44d" role="img" title="+1">:+1:</span></p>



<a name="189222039"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189222039" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189222039">(Feb 27 2020 at 15:13)</a>:</h4>
<p>oh right, the breaking-change aspect is important too</p>



<a name="189222055"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189222055" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> centril <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189222055">(Feb 27 2020 at 15:13)</a>:</h4>
<p><span class="user-mention" data-user-id="116083">@pnkfelix</span>  I believe eddyb just didn't want to make the "let's land the breakage" bit</p>



<a name="189222056"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189222056" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189222056">(Feb 27 2020 at 15:13)</a>:</h4>
<p>(I've not read it closely, so not commenting on <span class="user-mention" data-user-id="119009">@eddyb</span>'s statements)</p>



<a name="189222095"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189222095" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> centril <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189222095">(Feb 27 2020 at 15:14)</a>:</h4>
<p>so I reassigned to petrochenkov</p>



<a name="189222124"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189222124" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189222124">(Feb 27 2020 at 15:14)</a>:</h4>
<p><span class="user-mention silent" data-user-id="126931">centril</span> <a href="#narrow/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818/near/189222055" title="#narrow/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818/near/189222055">said</a>:</p>
<blockquote>
<p><span class="user-mention silent" data-user-id="116083">pnkfelix</span>  I believe eddyb just didn't want to make the "let's land the breakage" bit</p>
</blockquote>
<p>"make" as in, didn't want to unilaterally approve?</p>



<a name="189222158"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189222158" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> centril <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189222158">(Feb 27 2020 at 15:14)</a>:</h4>
<p><span class="user-mention" data-user-id="116083">@pnkfelix</span>  they didn't want "the responsibility"</p>



<a name="189222163"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189222163" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189222163">(Feb 27 2020 at 15:14)</a>:</h4>
<p>we could use fcpbot for it</p>



<a name="189222199"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189222199" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189222199">(Feb 27 2020 at 15:15)</a>:</h4>
<p><span class="user-mention silent" data-user-id="126931">centril</span> <a href="#narrow/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818/near/189222158" title="#narrow/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818/near/189222158">said</a>:</p>
<blockquote>
<p><span class="user-mention silent" data-user-id="116083">pnkfelix</span>  they didn't want "the responsibility"</p>
</blockquote>
<p>okay I understand that</p>



<a name="189222222"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189222222" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> centril <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189222222">(Feb 27 2020 at 15:15)</a>:</h4>
<p>rfcbot seems quite overkill I think; beta backport isn't urgent; I think petrochenkov can just review</p>



<a name="189222259"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189222259" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189222259">(Feb 27 2020 at 15:15)</a>:</h4>
<p>I assume there's no plausible way to warning cycle this, right?</p>



<a name="189222315"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189222315" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189222315">(Feb 27 2020 at 15:16)</a>:</h4>
<p>due to how it interacts with type inference and what not</p>



<a name="189222316"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189222316" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189222316">(Feb 27 2020 at 15:16)</a>:</h4>
<p>I say we defer the beta backport question. I think it'd be hard to do a warning cycle for this from a technical perspective.</p>



<a name="189222332"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189222332" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189222332">(Feb 27 2020 at 15:16)</a>:</h4>
<p>I guess I'd be inclined not to backport</p>



<a name="189222340"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189222340" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189222340">(Feb 27 2020 at 15:16)</a>:</h4>
<p>so as to give people a bit more time for transition</p>



<a name="189222353"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189222353" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> centril <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189222353">(Feb 27 2020 at 15:16)</a>:</h4>
<p>there might be, but that would also be overkill and given that crates have already been fixed not worth it <span aria-label="slight smile" class="emoji emoji-1f642" role="img" title="slight smile">:slight_smile:</span></p>



<a name="189222355"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189222355" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189222355">(Feb 27 2020 at 15:16)</a>:</h4>
<p>but I'm more interested in seeing what happens when we land on nightly</p>



<a name="189222409"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189222409" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> centril <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189222409">(Feb 27 2020 at 15:17)</a>:</h4>
<p>(what I would do is register the inference variables, register the substitutions, check in writeback whether they got the right types, and if not, warn -- very hacky...)</p>



<a name="189222420"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189222420" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189222420">(Feb 27 2020 at 15:17)</a>:</h4>
<p>(we don't have a list of the root regressions, do we? but the net impact was 21 crates, so "not huge")</p>



<a name="189222429"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189222429" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189222429">(Feb 27 2020 at 15:17)</a>:</h4>
<p><span class="user-mention silent" data-user-id="126931">centril</span> <a href="#narrow/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818/near/189222409" title="#narrow/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818/near/189222409">said</a>:</p>
<blockquote>
<p>(what I would do is register the inference variables, register the substitutions, check in writeback whether they got the right types, and if not, warn -- very hacky...)</p>
</blockquote>
<p>yeah, complex</p>



<a name="189222435"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189222435" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> centril <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189222435">(Feb 27 2020 at 15:17)</a>:</h4>
<p><span class="user-mention" data-user-id="116009">@nikomatsakis</span> we do, 6 root regressions</p>



<a name="189222448"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189222448" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189222448">(Feb 27 2020 at 15:17)</a>:</h4>
<p>right, but they are not listed in the comments</p>



<a name="189222454"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189222454" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189222454">(Feb 27 2020 at 15:17)</a>:</h4>
<p>i.e., <em>which</em> 6 crates is it</p>



<a name="189222504"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189222504" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189222504">(Feb 27 2020 at 15:18)</a>:</h4>
<p>well I guess I can see the citations from the PRs</p>



<a name="189222526"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189222526" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189222526">(Feb 27 2020 at 15:18)</a>:</h4>
<p>ok.</p>



<a name="189222534"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189222534" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> centril <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189222534">(Feb 27 2020 at 15:18)</a>:</h4>
<p><span class="user-mention" data-user-id="116009">@nikomatsakis</span>  all of the regressions are at the root, except for the <code>libp2p-*</code> which accounts for all the rest</p>



<a name="189222537"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189222537" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189222537">(Feb 27 2020 at 15:18)</a>:</h4>
<p>okay at this point I think we should either outright decline to backport, or leave thiis for next week</p>



<a name="189222548"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189222548" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> centril <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189222548">(Feb 27 2020 at 15:19)</a>:</h4>
<p>yea, not urgent</p>



<a name="189222570"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189222570" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189222570">(Feb 27 2020 at 15:19)</a>:</h4>
<p>lets let it land in nightly first. I don't think we need to make a final decision right now</p>



<a name="189222583"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189222583" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189222583">(Feb 27 2020 at 15:19)</a>:</h4>
<p>(as in, we'll leave for next week)</p>



<a name="189222688"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189222688" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189222688">(Feb 27 2020 at 15:20)</a>:</h4>
<p>beta-nom 3/4: “lit_to_const: gracefully bubble up type errors.” <a href="https://github.com/rust-lang/rust/issues/69330" target="_blank" title="https://github.com/rust-lang/rust/issues/69330">#69330</a></p>



<a name="189222752"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189222752" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> centril <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189222752">(Feb 27 2020 at 15:21)</a>:</h4>
<blockquote>
<p>literally-melting-ice</p>
</blockquote>
<p>I am happy with that branch name :P</p>



<a name="189222953"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189222953" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189222953">(Feb 27 2020 at 15:23)</a>:</h4>
<p>okay this seems fine. beta-accepted</p>



<a name="189223023"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189223023" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189223023">(Feb 27 2020 at 15:24)</a>:</h4>
<p>beta-nom 4/4: “Backport only: avoid ICE on bad placeholder type” <a href="https://github.com/rust-lang/rust/issues/69324" target="_blank" title="https://github.com/rust-lang/rust/issues/69324">#69324</a></p>



<a name="189223052"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189223052" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189223052">(Feb 27 2020 at 15:24)</a>:</h4>
<p>this is a reduced version of a PR that we declined to backport (due to size) last week.,</p>



<a name="189223125"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189223125" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189223125">(Feb 27 2020 at 15:25)</a>:</h4>
<p>and seems like an obvious case to approve now, I think.</p>



<a name="189223136"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189223136" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189223136">(Feb 27 2020 at 15:25)</a>:</h4>
<p>beta-approved.</p>



<a name="189223218"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189223218" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189223218">(Feb 27 2020 at 15:26)</a>:</h4>
<p>there were zero stable nominations</p>



<a name="189223233"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189223233" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189223233">(Feb 27 2020 at 15:26)</a>:</h4>
<p>there are three PR's marked S-waiting-on-team</p>



<a name="189223253"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189223253" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189223253">(Feb 27 2020 at 15:26)</a>:</h4>
<p>waiting 1/3: “Rename asm! to llvm_asm!” <a href="https://github.com/rust-lang/rust/issues/69404" target="_blank" title="https://github.com/rust-lang/rust/issues/69404">#69404</a></p>



<a name="189223270"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189223270" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189223270">(Feb 27 2020 at 15:27)</a>:</h4>
<p>oops my link is wrong</p>



<a name="189223275"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189223275" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189223275">(Feb 27 2020 at 15:27)</a>:</h4>
<p>(in the hackmd)</p>



<a name="189223305"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189223305" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189223305">(Feb 27 2020 at 15:27)</a>:</h4>
<p><a href="https://github.com/rust-lang/rust/issues/68404" target="_blank" title="https://github.com/rust-lang/rust/issues/68404">#68404</a></p>



<a name="189223395"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189223395" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189223395">(Feb 27 2020 at 15:28)</a>:</h4>
<p>This strikes me as more blocked on the lang team decision around inline assembly than compile team impl concerns</p>



<a name="189223407"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189223407" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189223407">(Feb 27 2020 at 15:28)</a>:</h4>
<p>which team is thie actually waiting on... T-lang</p>



<a name="189223409"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189223409" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> centril <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189223409">(Feb 27 2020 at 15:28)</a>:</h4>
<p>I personally don't think this is a language team matter</p>



<a name="189223437"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189223437" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189223437">(Feb 27 2020 at 15:28)</a>:</h4>
<p>as <span class="user-mention" data-user-id="143274">@Amanieu</span> wrote:</p>
<blockquote>
<p>Also, we may want to wait for the lang team's approval since <a href="https://github.com/rust-lang/rfcs/issues/2843" target="_blank" title="https://github.com/rust-lang/rfcs/issues/2843">rust-lang/rfcs#2843</a> hasn't been merged yet.</p>
</blockquote>



<a name="189223463"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189223463" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> centril <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189223463">(Feb 27 2020 at 15:29)</a>:</h4>
<p>...as the language team never approved the existing <code>asm!</code>, and it has no path to stabilization</p>



<a name="189223472"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189223472" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189223472">(Feb 27 2020 at 15:29)</a>:</h4>
<p>Does anyone in T-compiler at this meeting object to this change?</p>



<a name="189223504"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189223504" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189223504">(Feb 27 2020 at 15:29)</a>:</h4>
<p>I approve of landing the PR but would prefer to land the RFC</p>



<a name="189223513"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189223513" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189223513">(Feb 27 2020 at 15:29)</a>:</h4>
<p>Prior to doing so :)</p>



<a name="189223521"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189223521" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189223521">(Feb 27 2020 at 15:29)</a>:</h4>
<p>okay lets wait on that then.</p>



<a name="189223523"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189223523" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189223523">(Feb 27 2020 at 15:29)</a>:</h4>
<p>So maybe I should move to merge over there, I suppose</p>



<a name="189223581"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189223581" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> centril <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189223581">(Feb 27 2020 at 15:30)</a>:</h4>
<p>Then the PR should be S-blocked-closed</p>



<a name="189223660"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189223660" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189223660">(Feb 27 2020 at 15:30)</a>:</h4>
<p>you'</p>



<a name="189223666"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189223666" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189223666">(Feb 27 2020 at 15:30)</a>:</h4>
<p>you're saying the PR should be closed ?</p>



<a name="189223672"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189223672" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189223672">(Feb 27 2020 at 15:30)</a>:</h4>
<p>and then ... reopened when/if RFC is merged?</p>



<a name="189223684"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189223684" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189223684">(Feb 27 2020 at 15:31)</a>:</h4>
<p>Regarding "no path to stabilization", well, I agree that this feature doesn't have a path to stabilization in its present form, but I still think it's a language feature, and I generally think T-lang makes decisions about language features (though in the case of "very unstable" things, we tend to not push back too hard if the implementor wants to go a praticular way)</p>



<a name="189223731"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189223731" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> centril <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189223731">(Feb 27 2020 at 15:31)</a>:</h4>
<p><span class="user-mention" data-user-id="116009">@nikomatsakis</span> I personally regard this the same way as other "language features" like <code>rustc_foobar</code></p>



<a name="189223743"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189223743" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189223743">(Feb 27 2020 at 15:31)</a>:</h4>
<p>That seems very different, as this feature is intended to be used by end-users</p>



<a name="189223744"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189223744" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> centril <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189223744">(Feb 27 2020 at 15:31)</a>:</h4>
<p>i.e. the compiler team is free to add and remove them</p>



<a name="189223791"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189223791" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189223791">(Feb 27 2020 at 15:32)</a>:</h4>
<p>It's not an "implementation detail" targeting our testing framework</p>



<a name="189223835"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189223835" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189223835">(Feb 27 2020 at 15:32)</a>:</h4>
<p>I think a  better analogy might be sanitizer support</p>



<a name="189223852"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189223852" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189223852">(Feb 27 2020 at 15:33)</a>:</h4>
<p>although that is a bit different as it's kind of "rustc compiler options"</p>



<a name="189223864"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189223864" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> centril <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189223864">(Feb 27 2020 at 15:33)</a>:</h4>
<p>I see your point, though I personally don't intend it for end users</p>



<a name="189223873"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189223873" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189223873">(Feb 27 2020 at 15:33)</a>:</h4>
<p>anyway the tl;dr is I think this is blocked on the RFC for this meeting</p>



<a name="189223953"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189223953" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189223953">(Feb 27 2020 at 15:34)</a>:</h4>
<p>so I guess it is S-blocked for now</p>



<a name="189223972"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189223972" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> centril <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189223972">(Feb 27 2020 at 15:34)</a>:</h4>
<p>It should be closed if blocked on an RFC</p>



<a name="189224057"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189224057" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189224057">(Feb 27 2020 at 15:35)</a>:</h4>
<p>I don't have a strong opinion, but I do remember various times that we've had a "Implementation PR" up so as to provide reference info for the RFC</p>



<a name="189224096"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189224096" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189224096">(Feb 27 2020 at 15:35)</a>:</h4>
<p>But I'm also ok with closing  for now</p>



<a name="189224154"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189224154" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> centril <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189224154">(Feb 27 2020 at 15:36)</a>:</h4>
<p>(I just mean in terms of triage, PRs that are open for a long time and blocked get closed, standard T-release practice, <a href="https://forge.rust-lang.org/release/triage-procedure.html" target="_blank" title="https://forge.rust-lang.org/release/triage-procedure.html">https://forge.rust-lang.org/release/triage-procedure.html</a>)</p>



<a name="189224162"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189224162" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189224162">(Feb 27 2020 at 15:36)</a>:</h4>
<p>let's follow up later on the question of whether to close this or not. (I agree that we do close things if their RFC's are not merged, but I can also believe we can/should allow PR's to remain open if their RFC's are on a trajectory to be merged.)</p>



<a name="189224175"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189224175" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189224175">(Feb 27 2020 at 15:36)</a>:</h4>
<p>okay we can just close</p>



<a name="189224231"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189224231" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189224231">(Feb 27 2020 at 15:37)</a>:</h4>
<p>closing</p>



<a name="189224269"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189224269" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189224269">(Feb 27 2020 at 15:37)</a>:</h4>
<p>waiting on team 2/3: Print nicer async/await trait errors for generators in any place in the error 'stack' <a href="https://github.com/rust-lang/rust/issues/67116" target="_blank" title="https://github.com/rust-lang/rust/issues/67116">#67116</a></p>



<a name="189224351"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189224351" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189224351">(Feb 27 2020 at 15:38)</a>:</h4>
<p>This is waiting for response from <span class="user-mention" data-user-id="125294">@Aaron Hill</span>  I think</p>



<a name="189224359"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189224359" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189224359">(Feb 27 2020 at 15:38)</a>:</h4>
<p>tags need to be changed. fixing</p>



<a name="189224379"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189224379" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189224379">(Feb 27 2020 at 15:38)</a>:</h4>
<p>I think we can clear S-waiting-on-team..oh, you are</p>



<a name="189224382"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189224382" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189224382">(Feb 27 2020 at 15:38)</a>:</h4>
<p>(sorry, I should have taken care of this during pre-triage)</p>



<a name="189224385"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189224385" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189224385">(Feb 27 2020 at 15:38)</a>:</h4>
<p><span aria-label="heart" class="emoji emoji-2764" role="img" title="heart">:heart:</span></p>



<a name="189224445"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189224445" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189224445">(Feb 27 2020 at 15:39)</a>:</h4>
<p>waiting 3/3: PowerPC C ZST ABI fixes <a href="https://github.com/rust-lang/rust/issues/64259" target="_blank" title="https://github.com/rust-lang/rust/issues/64259">#64259</a></p>



<a name="189224465"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189224465" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> centril <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189224465">(Feb 27 2020 at 15:39)</a>:</h4>
<p>cc <span class="user-mention" data-user-id="119009">@eddyb</span></p>



<a name="189224475"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189224475" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189224475">(Feb 27 2020 at 15:39)</a>:</h4>
<p>(github is having some pretty serious UX issues right now...)</p>



<a name="189224556"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189224556" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189224556">(Feb 27 2020 at 15:40)</a>:</h4>
<p>I think the desired one-line variant has been posted .... so maybe we can close PR <a href="https://github.com/rust-lang/rust/issues/64259" target="_blank" title="https://github.com/rust-lang/rust/issues/64259">#64259</a> now?</p>



<a name="189224567"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189224567" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189224567">(Feb 27 2020 at 15:40)</a>:</h4>
<p>(the desired one hasn't been merged yet)</p>



<a name="189224578"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189224578" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189224578">(Feb 27 2020 at 15:40)</a>:</h4>
<p>((but that doesn't mean we keep this one open......))</p>



<a name="189224608"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189224608" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189224608">(Feb 27 2020 at 15:40)</a>:</h4>
<p>I am confused about the current status, but I do believe our intent was to close this and replace it with some small patch</p>



<a name="189224669"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189224669" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189224669">(Feb 27 2020 at 15:41)</a>:</h4>
<p>closing.</p>



<a name="189224770"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189224770" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189224770">(Feb 27 2020 at 15:42)</a>:</h4>
<p>(or I would if github would let me comment)</p>



<a name="189224793"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189224793" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189224793">(Feb 27 2020 at 15:42)</a>:</h4>
<p>well in any case, I will post this comment "Discussed in T-compiler meeting. Closing under assumption that remaining desired work will be covered by PR's like <a href="https://github.com/rust-lang/rust/issues/69263" target="_blank" title="https://github.com/rust-lang/rust/issues/69263">#69263</a> " and close once github is working again</p>



<a name="189224818"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189224818" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189224818">(Feb 27 2020 at 15:43)</a>:</h4>
<p>There are <a href="https://github.com/rust-lang/rust/issues?q=is%3Aopen+label%3AI-nominated+label%3AT-compiler" target="_blank" title="https://github.com/rust-lang/rust/issues?q=is%3Aopen+label%3AI-nominated+label%3AT-compiler">eight nominated</a> issues</p>



<a name="189224827"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189224827" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189224827">(Feb 27 2020 at 15:43)</a>:</h4>
<p>there was  one that I wanted to try to ensure we discussed today</p>



<a name="189224863"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189224863" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189224863">(Feb 27 2020 at 15:43)</a>:</h4>
<p>nominated "Do not ping PR reviewers in toolstate breakage" <a href="https://github.com/rust-lang/rust/issues/69449" target="_blank" title="https://github.com/rust-lang/rust/issues/69449">#69449</a></p>



<a name="189224944"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189224944" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189224944">(Feb 27 2020 at 15:44)</a>:</h4>
<p>my impression is that toolstate breakage is getting fixed in a timely fashion most of the time</p>



<a name="189224946"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189224946" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189224946">(Feb 27 2020 at 15:44)</a>:</h4>
<p>I suspect automatic pinging of reviewers i overkill</p>



<a name="189224951"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189224951" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> centril <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189224951">(Feb 27 2020 at 15:44)</a>:</h4>
<p>imo we should remove PR authors too, because ^---</p>



<a name="189224960"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189224960" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189224960">(Feb 27 2020 at 15:44)</a>:</h4>
<p>but I haven't been closely paying attention to <em>who</em> has been doing the fixing (tools maintainers?) and how they feel about it</p>



<a name="189224977"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189224977" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189224977">(Feb 27 2020 at 15:44)</a>:</h4>
<p>and that toolstate maintainers should feel free to reach out to reviewers if they need help</p>



<a name="189224984"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189224984" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189224984">(Feb 27 2020 at 15:45)</a>:</h4>
<p>but it should not be automated.</p>



<a name="189225030"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189225030" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189225030">(Feb 27 2020 at 15:45)</a>:</h4>
<p>as for PR authors .... it seems like it might be good for authors to at least be aware of the effects  they are having downstream?</p>



<a name="189225031"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189225031" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> centril <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189225031">(Feb 27 2020 at 15:45)</a>:</h4>
<p>usually it's small breakages that require e.g. adding <code>..</code> or <code>_</code> somewhere, and Clippy maintainers tend to fix that before we even get a chance to consider fixing them</p>



<a name="189225045"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189225045" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189225045">(Feb 27 2020 at 15:45)</a>:</h4>
<p>in other words, <span class="user-mention" data-user-id="123856">@Vadim Petrochenkov</span> <a href="https://github.com/rust-lang/rust/issues/69419#issuecomment-590470520" target="_blank" title="https://github.com/rust-lang/rust/issues/69419#issuecomment-590470520">wrote</a></p>
<blockquote>
<p>[triagebot] I never answer to pings from issues like this because they are routinely fixed by people working on the affected tools.</p>
</blockquote>
<p>and I think that's fine but not necessarily what we originally intended</p>



<a name="189225053"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189225053" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189225053">(Feb 27 2020 at 15:45)</a>:</h4>
<p>I think the hope was that "fixing tools is part of the work"</p>



<a name="189225064"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189225064" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189225064">(Feb 27 2020 at 15:45)</a>:</h4>
<p>but I guess it's not working out that way</p>



<a name="189225074"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189225074" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> centril <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189225074">(Feb 27 2020 at 15:45)</a>:</h4>
<p><span class="user-mention" data-user-id="116083">@pnkfelix</span> highfive posts a comment on the PR itself typically when there's breakage</p>



<a name="189225085"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189225085" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> centril <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189225085">(Feb 27 2020 at 15:45)</a>:</h4>
<p>unless it's a rollup, in which case the rollup gets the comment</p>



<a name="189225117"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189225117" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> simulacrum <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189225117">(Feb 27 2020 at 15:46)</a>:</h4>
<p>it's too hard to fix tools imo today</p>



<a name="189225129"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189225129" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> centril <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189225129">(Feb 27 2020 at 15:46)</a>:</h4>
<p>but you get notified about the rollup</p>



<a name="189225169"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189225169" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189225169">(Feb 27 2020 at 15:46)</a>:</h4>
<p>it may also be, of course, that the current setup isn't great but that the fix isn't to keep the pings, but rather to consider making other changes, since they appear to not be working</p>



<a name="189225178"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189225178" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> centril <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189225178">(Feb 27 2020 at 15:46)</a>:</h4>
<p>I would personally like to move e.g. Clippy in tree or something</p>



<a name="189225192"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189225192" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189225192">(Feb 27 2020 at 15:46)</a>:</h4>
<p>I guess I'm  not objecting to the change but more asking "if this is embracing the status quo, are we happy with the status quo?"</p>



<a name="189225195"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189225195" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> oli <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189225195">(Feb 27 2020 at 15:46)</a>:</h4>
<p>I'll split off a separte discussion about this, becuase <span class="user-mention" data-user-id="116122">@simulacrum</span> is absolutely right that this is (anecdotally) the reason we don't get so many author fixes</p>



<a name="189225206"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189225206" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> centril <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189225206">(Feb 27 2020 at 15:46)</a>:</h4>
<p>cc <span class="user-mention" data-user-id="124288">@oli</span> who had ideas</p>



<a name="189225209"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189225209" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189225209">(Feb 27 2020 at 15:46)</a>:</h4>
<p>comments like <span class="user-mention" data-user-id="116122">@simulacrum</span> make me think not</p>



<a name="189225215"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189225215" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> oli <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189225215">(Feb 27 2020 at 15:46)</a>:</h4>
<p>I don't think we should block this meeting</p>



<a name="189225233"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189225233" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189225233">(Feb 27 2020 at 15:47)</a>:</h4>
<p>so okay, hold on</p>



<a name="189225246"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189225246" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189225246">(Feb 27 2020 at 15:47)</a>:</h4>
<p>I think we all agree that this PR itself can land, right?</p>



<a name="189225258"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189225258" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> oli <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189225258">(Feb 27 2020 at 15:47)</a>:</h4>
<p>yes</p>



<a name="189225264"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189225264" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189225264">(Feb 27 2020 at 15:47)</a>:</h4>
<p>and the question of whether to do more, can be made in a followup PR ?</p>



<a name="189225284"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189225284" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189225284">(Feb 27 2020 at 15:47)</a>:</h4>
<p>Great</p>



<a name="189225419"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189225419" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189225419">(Feb 27 2020 at 15:48)</a>:</h4>
<p>I'll remove I-nominated tag</p>



<a name="189225449"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189225449" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189225449">(Feb 27 2020 at 15:49)</a>:</h4>
<p>Lets get a WG checkin from <span class="user-mention" data-user-id="116266">@Santiago Pastorino</span> about WG-learning !!!</p>



<a name="189225728"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189225728" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189225728">(Feb 27 2020 at 15:51)</a>:</h4>
<p>hold a sec</p>



<a name="189225807"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189225807" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189225807">(Feb 27 2020 at 15:52)</a>:</h4>
<p>our main update is that we have been doing some planning on what to tackle during this first part of the year</p>



<a name="189225867"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189225867" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189225867">(Feb 27 2020 at 15:53)</a>:</h4>
<p>I've been failing to read <a class="stream" data-stream-id="196385" href="/#narrow/stream/196385-t-compiler.2Fwg-learning">#t-compiler/wg-learning</a> -- any major ideas or thoughts?</p>



<a name="189225874"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189225874" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189225874">(Feb 27 2020 at 15:53)</a>:</h4>
<p>and we have this ideas ...</p>



<a name="189225878"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189225878" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189225878">(Feb 27 2020 at 15:53)</a>:</h4>
<div class="codehilite"><pre><span></span>Define how would we want to structure the guide

    Make it more engaging to read?
    Move procedures to forge or to an appendix?
        https://rust-lang.github.io/rustc-guide/stability.html
        https://rust-lang.github.io/rustc-guide/implementing_new_features.html
        https://rust-lang.github.io/rustc-guide/stabilization_guide.html

Write an Overview chapter

    Overview of the whole picture of the compiler. Main components, what they do and where they live. Main data structures used along and more or less what they are about.
    Overview Outline
    Overview blog post (coming soon…)

Write a walkthrough section about what the compiler does to your code

    It may also be nice to have a concrete example that shows all the compilation phases, artifacts and structures generated along the way.
    walk through compilation of simple program
    link to other chapters for details
    This is more like what the compiler does and how it works high level
    [@Chris Simpkins] Succinct summary of how to visualize each representation stage of the compile process (e.g., cargo rustc -- -Zunpretty=hir-tree for HIR)

Write a walkthrough about how a full feature is implemented

    Show how a particular feature was implemented by explaining every corner of the compiler that was touched
    Explain all the technical aspects considered when implementing
    This is more like what is needed top to bottom level to implement a full feature
    https://github.com/rust-lang/rustc-guide/issues/584

Collect a set of PRs that help understanding some parts of the compiler

    Would be nice if we can collect PRs that are interesting to understand certain things
</pre></div>



<a name="189225888"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189225888" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189225888">(Feb 27 2020 at 15:53)</a>:</h4>
<p>I will say anecdotally that I've heard from quite a few folks lately about the value of the rustc-guide...</p>



<a name="189225897"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189225897" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189225897">(Feb 27 2020 at 15:53)</a>:</h4>
<p>as in, it is good!</p>



<a name="189225900"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189225900" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189225900">(Feb 27 2020 at 15:53)</a>:</h4>
<p>if someone wants to give feedback on that, more than welcome</p>



<a name="189225982"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189225982" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189225982">(Feb 27 2020 at 15:54)</a>:</h4>
<p>I'm a big fan of the idea of an overview chapter :) but I particularly like the idea of sample PRs</p>



<a name="189225993"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189225993" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189225993">(Feb 27 2020 at 15:54)</a>:</h4>
<p>as it seems like something that is relatively easy to do</p>



<a name="189225999"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189225999" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Nell Shamrell-Harrington <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189225999">(Feb 27 2020 at 15:54)</a>:</h4>
<p>Rust C guide has been tremendously helpful to me</p>



<a name="189226004"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189226004" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> centril <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189226004">(Feb 27 2020 at 15:54)</a>:</h4>
<p><span class="user-mention" data-user-id="116266">@Santiago Pastorino</span> I can contribute <a href="https://github.com/rust-lang/rust/pull/63862" target="_blank" title="https://github.com/rust-lang/rust/pull/63862">https://github.com/rust-lang/rust/pull/63862</a> and <a href="https://github.com/rust-lang/rust/pull/68856" target="_blank" title="https://github.com/rust-lang/rust/pull/68856">https://github.com/rust-lang/rust/pull/68856</a> for pattern type checking</p>



<a name="189226032"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189226032" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189226032">(Feb 27 2020 at 15:54)</a>:</h4>
<p><span class="user-mention silent" data-user-id="116009">nikomatsakis</span> <a href="#narrow/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818/near/189225993" title="#narrow/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818/near/189225993">said</a>:</p>
<blockquote>
<p>as it seems like something that is relatively easy to do</p>
</blockquote>
<p>this is one of the main reasons why I like the idea</p>



<a name="189226046"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189226046" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189226046">(Feb 27 2020 at 15:55)</a>:</h4>
<p>and also learning by reading code is nice</p>



<a name="189226065"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189226065" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189226065">(Feb 27 2020 at 15:55)</a>:</h4>
<p>I guess I would prioritize "smaller, easy to do" steps, on the premise that the best docs are the ones that exist</p>



<a name="189226095"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189226095" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189226095">(Feb 27 2020 at 15:55)</a>:</h4>
<p>would be something that we could do incrementally, one day there are titles and PRs, another day we have descriptions and one day the guide explains the PRs entirely :P</p>



<a name="189226121"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189226121" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189226121">(Feb 27 2020 at 15:55)</a>:</h4>
<p>Do we have a place where we are logging the road blocks newcomers encounter?</p>



<a name="189226193"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189226193" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189226193">(Feb 27 2020 at 15:56)</a>:</h4>
<p><span class="user-mention" data-user-id="225192">@Nell Shamrell-Harrington</span> hit a few yesterday that I would love to ensure get addressed in multiple places in our docs</p>



<a name="189226211"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189226211" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> centril <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189226211">(Feb 27 2020 at 15:56)</a>:</h4>
<p><span class="user-mention" data-user-id="116266">@Santiago Pastorino</span> </p>
<blockquote>
<p>Write a walkthrough about how a full feature is implemented</p>
</blockquote>
<p>Or-patterns have fully recorded their implementation history, so it might be a good "from start to finish" example:  <a href="https://github.com/rust-lang/rust/issues/54883" target="_blank" title="https://github.com/rust-lang/rust/issues/54883">https://github.com/rust-lang/rust/issues/54883</a></p>



<a name="189226221"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189226221" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189226221">(Feb 27 2020 at 15:56)</a>:</h4>
<p><span class="user-mention silent" data-user-id="116083">pnkfelix</span> <a href="#narrow/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818/near/189226121" title="#narrow/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818/near/189226121">said</a>:</p>
<blockquote>
<p>Do we have a place where we are logging the road blocks newcomers encounter?</p>
</blockquote>
<p>I don't think so, would be nice to track those yeah</p>



<a name="189226229"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189226229" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189226229">(Feb 27 2020 at 15:56)</a>:</h4>
<p>I could file issues (against the guide itself) but I'm not sure if that's the best way to just jot down "here's somethinig that was painful"</p>



<a name="189226251"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189226251" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189226251">(Feb 27 2020 at 15:56)</a>:</h4>
<p><span class="user-mention silent" data-user-id="116083">pnkfelix</span> <a href="#narrow/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818/near/189226193" title="#narrow/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818/near/189226193">said</a>:</p>
<blockquote>
<p><span class="user-mention silent" data-user-id="225192">Nell Shamrell-Harrington</span> hit a few yesterday that I would love to ensure get addressed in multiple places in our docs</p>
</blockquote>
<p>in particular if you Nell want to talk to me about stuff just feel free to ping me</p>



<a name="189226274"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189226274" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189226274">(Feb 27 2020 at 15:57)</a>:</h4>
<p>seems like filing issues on rustc-guide (if it is indeed smething that would be addressed there) is a reasonable way to go</p>



<a name="189226284"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189226284" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189226284">(Feb 27 2020 at 15:57)</a>:</h4>
<p>even your help in rustc-guide would probably be very useful</p>



<a name="189226307"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189226307" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Nell Shamrell-Harrington <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189226307">(Feb 27 2020 at 15:57)</a>:</h4>
<p>can do!</p>



<a name="189226335"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189226335" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189226335">(Feb 27 2020 at 15:57)</a>:</h4>
<p><span class="user-mention silent" data-user-id="116083">pnkfelix</span> <a href="#narrow/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818/near/189226229" title="#narrow/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818/near/189226229">said</a>:</p>
<blockquote>
<p>I could file issues (against the guide itself) but I'm not sure if that's the best way to just jot down "here's somethinig that was painful"</p>
</blockquote>
<p>for now it seems to be the best way</p>



<a name="189226449"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189226449" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189226449">(Feb 27 2020 at 15:58)</a>:</h4>
<p>I guess another option would be to link to messages (here in Zulip or on Discord, etc) where new comers ask questions that should be addressed in the guide</p>



<a name="189226465"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189226465" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189226465">(Feb 27 2020 at 15:58)</a>:</h4>
<p>since sometimes those discussions are illuminating</p>



<a name="189226495"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189226495" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189226495">(Feb 27 2020 at 15:59)</a>:</h4>
<p>btw I'm also looking for people that can give lectures, about LLVM, codegen, Parallel and other things, but if any of you feel like doing a lecture about some topic let me know</p>



<a name="189226530"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189226530" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Nell Shamrell-Harrington <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189226530">(Feb 27 2020 at 15:59)</a>:</h4>
<p>I was thinking about submitting a Compiler 101 talk to RustConf - which would include info about LLVM</p>



<a name="189226570"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189226570" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189226570">(Feb 27 2020 at 15:59)</a>:</h4>
<p><span class="user-mention silent" data-user-id="116083">pnkfelix</span> <a href="#narrow/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818/near/189226449" title="#narrow/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818/near/189226449">said</a>:</p>
<blockquote>
<p>I guess another option would be to link to messages (here in Zulip or on Discord, etc) where new comers ask questions that should be addressed in the guide</p>
</blockquote>
<p>(but I also don't know the best central place to monitor for such discussion? Perhaps in <a class="stream" data-stream-id="122652" href="/#narrow/stream/122652-new-members">#new members</a>  ?)</p>



<a name="189226699"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189226699" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189226699">(Feb 27 2020 at 16:00)</a>:</h4>
<p>anyway, that is great food for thought for everyone. Thanks <span class="user-mention" data-user-id="116266">@Santiago Pastorino</span> !</p>



<a name="189226722"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189226722" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189226722">(Feb 27 2020 at 16:00)</a>:</h4>
<p>and with that, I'm going to claim that this meeting is over. (On time this week!!!!)</p>



<a name="189226736"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189226736" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189226736">(Feb 27 2020 at 16:01)</a>:</h4>
<p>thanks <span class="user-group-mention" data-user-group-id="897">@T-compiler/meeting</span> !</p>



<a name="189245220"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/weekly%20meeting%202020-02-27%20%2354818/near/189245220" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Nell Shamrell-Harrington <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/weekly.20meeting.202020-02-27.20.2354818.html#189245220">(Feb 27 2020 at 19:03)</a>:</h4>
<p>Biggest lesson I learned yesterday - for the love of God don't try to do the full build in debug mode (RUSTC_LOG=debug) - had to kill the thing after 90 min.</p>
<p>Instead, if I want to see debug statements in my tests, I have been doing the stage 1 build on its own:<br>
./x.py build --stage 1</p>
<p>And then running my individual test with:</p>
<p>RUSTC_LOG=debug /home/nell/rust/build/x86_64-unknown-linux-gnu/stage1/bin/rustc /home/nell/rust/src/test/ui/borrowck/issue-57431-coerced-mut-reference.rs</p>



<hr><p>Last updated: Aug 07 2021 at 22:04 UTC</p>
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